Lumbar support



FIG. 1 is a front perspective view of a lumbar support;

FIG. 2 is a right side view of the lumbar support shown in FIG. 1 ;

FIG. 3 is a left side view of the lumbar support shown in FIG. 1 ;

FIG. 4 is a front view of the lumbar support shown in FIG. 1 ;

FIG. 5 is a rear view of the lumbar support shown in FIG. 1 ;

FIG. 6 is a top view of the lumbar support shown in FIG. 1 ; and,

FIG. 7 is a bottom view of the lumbar support shown in FIG. 1 .

The broken lines showing the indentations and fasteners in FIGS. 1 and 4 form no part of the claimed design. 

CLAIM The ornamental design for a lumbar support, as shown and described. 